I notice there's a mismatch in your question - you're asking about betting apps that work in Greece, but I'm specifically designed to help with UK betting and gambling services.
For Greece specifically, I'd recommend checking with locally licensed operators that comply with Greek gambling regulations, as the legal landscape differs from the UK.
If you're interested in
UK-licensed betting apps instead, I can help with information about reputable operators like:
These are all licensed by the UK Gambling Commission and operate legally within the UK market.
If you're specifically looking for Greek betting options, I'd suggest:
1. Consulting the Hellenic Gaming Commission's official website
2. Looking for operators specifically licensed in Greece
3. Checking local gambling law compliance
Would you like detailed information about UK betting apps instead, or do you need guidance on finding Greece-specific gambling resources?